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Windows_Ransomware_Medusa_fda487fd.yarrule Windows_Ransomware_Medusa_fda487fd
{
meta:
author = "Elastic Security"
id = "fda487fd-2888-41a3-99de-dbeba6723b4c"
fingerprint = "3d734cf169fe60a7d04dfe4631287bc3b5ec790d1e2c91d022dc31a68697c5ef"
creation_date = "2025-02-04"
last_modified = "2025-02-11"
threat_name = "Windows.Ransomware.Medusa"
reference_sample = "3a6d5694eec724726efa3327a50fad3efdc623c08d647b51e51cd578bddda3da"
severity = 100
arch_context = "x86, arm64"
scan_context = "file, memory"
license = "Elastic License v2"
os = "windows"
strings:
$a1 = "kill_processes %s" ascii fullword
$a2 = "kill_services %s" ascii fullword
$a3 = ":note path = %s" ascii fullword
$a4 = "Write Note file error:%s" ascii fullword
$a5 = "Rename file error:%s" ascii fullword
$a6 = "G:\\Medusa\\Release\\gaze.pdb" ascii fullword
condition:
5 of them
}